/**

 @Name：layui.table 表格操作
 @Author：贤心
 @License：MIT

 */

layui.define(['laytpl', 'laypage', 'layer', 'form'], function (exports) {
  'use strict'
  var _this = this
  var $ = layui.$
  var laytpl = layui.laytpl
  var laypage = layui.laypage
  var layer = layui.layer
  var form = layui.form
  var hint = layui.hint()
  var device = layui.device()
  var tableClassCache = {}
  // 外部接口
  var table = {
    config: {
      checkName: 'LAY_CHECKED', // 是否选中状态的字段名
      indexName: 'LAY_TABLE_INDEX' // 下标索引名
    }, // 全局配置项
    cache: {}, // 数据缓存
    index: layui.table ? (layui.table.index + 10000) : 0,

    // 设置全局项
    set: function (options) {
      var that = this
      that.config = $.extend({}, that.config, options)
      return that
    },

    // 事件监听
    on: function (events, callback) {
      return layui.onevent.call(this, MOD_NAME, events, callback)
    }
  }

  // 操作当前实例
  var thisTable = function () {
    var that = this
    var options = that.config
    var id = options.id

    id && (thisTable.config[id] = options)

    return {
      reload: function (options) {
        that.reload.call(that, options)
      },
      config: options
    }
  }

  // 字符常量
  var MOD_NAME = 'table'; var ELEM = '.layui-table'; var THIS = 'layui-this'; var SHOW = 'layui-show'; var HIDE = 'layui-hide'; var DISABLED = 'layui-disabled'; var NONE = 'layui-none'

  var ELEM_VIEW = 'layui-table-view'; var ELEM_HEADER = '.layui-table-header'; var ELEM_BODY = '.layui-table-body'; var ELEM_MAIN = '.layui-table-main'; var ELEM_FIXED = '.layui-table-fixed'; var ELEM_FIXL = '.layui-table-fixed-l'; var ELEM_FIXR = '.layui-table-fixed-r'; var ELEM_TOOL = '.layui-table-tool'; var ELEM_PAGE = '.layui-table-page'; var ELEM_SORT = '.layui-table-sort'; var ELEM_EDIT = 'layui-table-edit'; var ELEM_HOVER = 'layui-table-hover'

  // thead区域模板
  var TPL_HEADER = function (options) {
    var rowCols = '{{#if(item2.colspan){}} colspan="{{item2.colspan}}"{{#} if(item2.rowspan){}} rowspan="{{item2.rowspan}}"{{#}}}'

    options = options || {}
    return ['<table cellspacing="0" cellpadding="0" border="0" class="layui-table" ',
      '{{# if(d.data.skin){ }}lay-skin="{{d.data.skin}}"{{# } }} {{# if(d.data.size){ }}lay-size="{{d.data.size}}"{{# } }} {{# if(d.data.even){ }}lay-even{{# } }}>',
      '<thead>',
      '{{# layui.each(d.data.cols, function(i1, item1){ }}',
      '<tr>',
      '{{# layui.each(item1, function(i2, item2){ }}',
      '{{# if(item2.fixed && item2.fixed !== "right"){ left = true; } }}',
      '{{# if(item2.fixed === "right"){ right = true; } }}',
      (function () {
        if (options.fixed && options.fixed !== 'right') {
          return '{{# if(item2.fixed && item2.fixed !== "right"){ }}'
        }
        if (options.fixed === 'right') {
          return '{{# if(item2.fixed === "right"){ }}'
        }
        return ''
      }()),
      '<th data-field="{{ item2.field||i2 }}" {{# if(item2.minWidth){ }}data-minwidth="{{item2.minWidth}}"{{# } }} ' + rowCols + ' {{# if(item2.unresize){ }}data-unresize="true"{{# } }}>',
      '<div class="layui-table-cell laytable-cell-',
      '{{# if(item2.colspan > 1){ }}',
      'group',
      '{{# } else { }}',
      '{{d.index}}-{{item2.field || i2}}',
      '{{# if(item2.type !== "normal"){ }}',
      ' laytable-cell-{{ item2.type }}',
      '{{# } }}',
      '{{# } }}',
      '" {{#if(item2.align){}}align="{{item2.align}}"{{#}}}>',
      '{{# if(item2.type === "checkbox"){ }}', // 复选框
      '<input type="checkbox" name="layTableCheckbox" lay-skin="primary" lay-filter="layTableAllChoose" {{# if(item2[d.data.checkName]){ }}checked{{# }; }}>',
      '{{# } else { }}',
      '<span>{{item2.title||""}}</span>',
      '{{# if(!(item2.colspan > 1) && item2.sort){ }}',
      '<span class="layui-table-sort layui-inline"><i class="layui-edge layui-table-sort-asc"></i><i class="layui-edge layui-table-sort-desc"></i></span>',
      '{{# } }}',
      '{{# } }}',
      '</div>',
      '</th>'
      , (options.fixed ? '{{# }; }}' : ''),
      '{{# }); }}',
      '</tr>',
      '{{# }); }}',
      '</thead>',
      '</table>'].join('')
  }

  // tbody区域模板
  var TPL_BODY = ['<table cellspacing="0" cellpadding="0" border="0" class="layui-table" ',
    '{{# if(d.data.skin){ }}lay-skin="{{d.data.skin}}"{{# } }} {{# if(d.data.size){ }}lay-size="{{d.data.size}}"{{# } }} {{# if(d.data.even){ }}lay-even{{# } }}>',
    '<tbody></tbody>',
    '</table>'].join('')

  // 主模板
  var TPL_MAIN = ['<div class="layui-form layui-border-box {{d.VIEW_CLASS}}" lay-filter="LAY-table-{{d.index}}" style="{{# if(d.data.width){ }}width:{{d.data.width}}px;{{# } }} {{# if(d.data.height){ }}height:{{d.data.height}}px;{{# } }}">',

    '{{# if(d.data.toolbar){ }}',
    '<div class="layui-table-tool"></div>',
    '{{# } }}',

    '<div class="layui-table-box">',
    '{{# var left, right; }}',
    '<div class="layui-table-header">',
    TPL_HEADER(),
    '</div>',
    '<div class="layui-table-body layui-table-main">',
    TPL_BODY,
    '</div>',

    '{{# if(left){ }}',
    '<div class="layui-table-fixed layui-table-fixed-l">',
    '<div class="layui-table-header">',
    TPL_HEADER({ fixed: true }),
    '</div>',
    '<div class="layui-table-body">',
    TPL_BODY,
    '</div>',
    '</div>',
    '{{# }; }}',

    '{{# if(right){ }}',
    '<div class="layui-table-fixed layui-table-fixed-r">',
    '<div class="layui-table-header">',
    TPL_HEADER({ fixed: 'right' }),
    '<div class="layui-table-mend"></div>',
    '</div>',
    '<div class="layui-table-body">',
    TPL_BODY,
    '</div>',
    '</div>',
    '{{# }; }}',
    '</div>',

    '{{# if(d.data.page){ }}',
    '<div class="layui-table-page">',
    '<div id="layui-table-page{{d.index}}"></div>',
    '</div>',
    '{{# } }}',

    '<style id="layui-m-t-style">',
    '{{# layui.each(d.data.cols, function(i1, item1){',
    'layui.each(item1, function(i2, item2){ }}',
    '.laytable-cell-{{d.index}}-{{item2.field||i2}}{ ',
    '{{# if(item2.width){ }}',
    'width: {{item2.width}}px;',
    '{{# } }}',
    ' }',
    '{{# });',
    '}); }}',
    '</style>',
    '</div>'].join('')

  var _WIN = $(window)
  var _DOC = $(document)

  // 构造器
  var Class = function (options) {
    var that = this
    that.index = ++table.index
    that.config = $.extend({}, that.config, table.config, options)
    that.render()
  }

  // 默认配置
  Class.prototype.config = {
    limit: 10, // 每页显示的数量
    loading: false, // 请求数据时，是否显示loading //2018-03-19 xugy 插件原来默认是true,因为和平台loading冲突，故修改layUI表格加载时默认为不加载loading
    cellMinWidth: 60, // 所有单元格默认最小宽度
    text: {
      none: '无数据'
    }
  }

  // 表格渲染
  Class.prototype.render = function () {
    var that = this
    var options = that.config

    options.elem = $(options.elem)
    options.where = options.where || {}
    options.id = options.id || options.elem.attr('id')

    // 请求参数的自定义格式
    options.request = $.extend({
      pageName: 'page',
      limitName: 'limit'
    }, options.request)

    // 响应数据的自定义格式
    options.response = $.extend({
      statusName: 'code',
      statusCode: 0,
      msgName: 'msg',
      dataName: 'data',
      countName: 'count'
    }, options.response)

    // 如果 page 传入 laypage 对象
    if (typeof options.page === 'object') {
      options.limit = options.page.limit || options.limit
      options.limits = options.page.limits || options.limits
      that.page = options.page.curr = options.page.curr || 1
      delete options.page.elem
      delete options.page.jump
    }

    if (!options.elem[0]) return that

    that.setArea() // 动态分配列宽高

    // 开始插入替代元素
    var othis = options.elem
    var hasRender = othis.next('.' + ELEM_VIEW)

    // 主容器
    var reElem = that.elem = $(laytpl(TPL_MAIN).render({
      VIEW_CLASS: ELEM_VIEW,
      data: options,
      index: that.index // 索引
    }))

    options.index = that.index

    // 生成替代元素
    hasRender[0] && hasRender.remove() // 如果已经渲染，则Rerender
    othis.after(reElem)

    // 各级容器
    that.layHeader = reElem.find(ELEM_HEADER)
    that.layMain = reElem.find(ELEM_MAIN)
    that.layBody = reElem.find(ELEM_BODY)
    that.layFixed = reElem.find(ELEM_FIXED)
    that.layFixLeft = reElem.find(ELEM_FIXL)
    that.layFixRight = reElem.find(ELEM_FIXR)
    that.layTool = reElem.find(ELEM_TOOL)
    that.layPage = reElem.find(ELEM_PAGE)

    that.layTool.html(
      laytpl($(options.toolbar).html() || '').render(options)
    )

    if (options.height) that.fullSize() // 设置body区域高度

    // 如果多级表头，则填补表头高度
    if (options.cols.length > 1) {
      var th = that.layFixed.find(ELEM_HEADER).find('th')
      th.height(that.layHeader.height() - 1 - parseFloat(th.css('padding-top')) - parseFloat(th.css('padding-bottom')))
    }
    // 请求数据
    that.pullData(that.page)
    that.events()
  }

  // 根据列类型，定制化参数
  Class.prototype.initOpts = function (item) {
    var that = this
    var options = that.config
    var initWidth = {
      checkbox: 48,
      space: 15,
      numbers: 40
    }

    // 让 type 参数兼容旧版本
    if (item.checkbox) item.type = 'checkbox'
    if (item.space) item.type = 'space'
    if (!item.type) item.type = 'normal'

    if (item.type !== 'normal') {
      item.unresize = true
      item.width = item.width || initWidth[item.type]
    }
  }

  // 动态分配列宽高
  Class.prototype.setArea = function () {
    var that = this
    var options = that.config
    var colNums = 0 // 列个数
    var autoColNums = 0 // 自动列宽的列个数
    var autoWidth = 0 // 自动列分配的宽度
    var countWidth = 0 // 所有列总宽度和
    var cntrWidth = options.width || (function () { // 获取容器宽度
      // 如果父元素宽度为0（一般为隐藏元素），则继续查找上层元素，直到找到真实宽度为止
      var getWidth = function (parent) {
        var width, isNone
        parent = parent || options.elem.parent()
        width = parent.width()
        try {
          isNone = parent.css('display') === 'none'
        } catch (e) {}
        if (parent[0] && (!width || isNone)) return getWidth(parent.parent())
        return width
      }
      return getWidth()
    }())

    // 统计列个数
    that.eachCols(function () {
      colNums++
    })

    // 减去边框差
    cntrWidth = cntrWidth - (function () {
      return (options.skin === 'line' || options.skin === 'nob') ? 2 : colNums + 1
    }())

    // 遍历所有列
    layui.each(options.cols, function (i1, item1) {
      layui.each(item1, function (i2, item2) {
        var width

        if (!item2) {
          item1.splice(i2, 1)
          return
        }

        that.initOpts(item2)
        width = item2.width || 0

        if (item2.colspan > 1) return

        if (/\d+%$/.test(width)) {
          item2.width = width = Math.floor((parseFloat(width) / 100) * cntrWidth)
        } else if (!width) { // 列宽未填写
          item2.width = width = 0
          autoColNums++
        }

        countWidth = countWidth + width
      })
    })

    that.autoColNums = autoColNums; // 记录自动列数

    // 如果未填充满，则将剩余宽度平分。否则，给未设定宽度的列赋值一个默认宽
    (cntrWidth > countWidth && autoColNums) && (
      autoWidth = (cntrWidth - countWidth) / autoColNums
    )

    layui.each(options.cols, function (i1, item1) {
      layui.each(item1, function (i2, item2) {
        var minWidth = item2.minWidth || options.cellMinWidth
        if (item2.colspan > 1) return
        if (item2.width === 0) {
          item2.autoWidth = true
          item2.width = Math.floor(autoWidth >= minWidth ? autoWidth : minWidth) // 不能低于设定的最小宽度
        }
      })
    })

    // 高度铺满：full-差距值
    if (options.height && /^full-\d+$/.test(options.height)) {
      that.fullHeightGap = options.height.split('-')[1]
      options.height = _WIN.height() - that.fullHeightGap
    }
  }

  // 表格重载
  Class.prototype.reload = function (options) {
    var that = this
    if (that.config.data && that.config.data.constructor === Array) delete that.config.data
    that.config = $.extend({}, that.config, options)
    that.render()
  }

  // 页码
  Class.prototype.page = 1

  // 获得数据
  Class.prototype.pullData = function (curr, loadIndex) {
    var that = this
    var options = that.config
    var request = options.request
    var response = options.response
    var sort = function () {
      if (typeof options.initSort === 'object') {
        that.sort(options.initSort.field, options.initSort.type)
      }
    }

    that.startTime = new Date().getTime() // 渲染开始时间

    if (options.url) { // Ajax请求
      var params = {}
      params[request.pageName] = curr
      params[request.limitName] = options.limit

      $.ajax({
        type: options.method || 'post',
        url: options.url,
        data: $.extend(params, options.where),
        dataType: 'json',
        success: function (res) {
          if (res[response.statusName] != response.statusCode) {
            that.renderForm()
            that.layMain.html('<div class="' + NONE + '">' + (res[response.msgName] || '返回的数据状态异常') + '</div>')
          } else {
            that.renderData(res, curr, res[response.countName]), sort()
            options.time = (new Date().getTime() - that.startTime) + ' ms' // 耗时（接口请求+视图渲染）
          }
          loadIndex && layer.close(loadIndex)

          typeof options.done === 'function' && options.done(res, curr, res[response.countName])
        },
        error: function (e, m) {
          that.layMain.html('<div class="' + NONE + '">数据接口请求异常</div>')
          that.renderForm()
          loadIndex && layer.close(loadIndex)
        }
      })
    } else if (options.data && options.data.constructor === Array) { // 已知数据
      var res = {}
      var startLimit = curr * options.limit - options.limit

      res[response.dataName] = options.data.concat().splice(startLimit, options.limit)
      res[response.countName] = options.data.length

      that.renderData(res, curr, options.data.length), sort()
      typeof options.done === 'function' && options.done(res, curr, res[response.countName])
    }
  }

  // 遍历表头
  Class.prototype.eachCols = function (callback) {
    var cols = $.extend(true, [], this.config.cols)
    var arrs = []; var index = 0

    // 重新整理表头结构
    layui.each(cols, function (i1, item1) {
      layui.each(item1, function (i2, item2) {
        // 如果是组合列，则捕获对应的子列
        if (item2.colspan > 1) {
          var childIndex = 0
          index++
          item2.CHILD_COLS = []
          layui.each(cols[i1 + 1], function (i22, item22) {
            if (item22.PARENT_COL || childIndex == item2.colspan) return
            item22.PARENT_COL = index
            item2.CHILD_COLS.push(item22)
            childIndex = childIndex + (item22.colspan > 1 ? item22.colspan : 1)
          })
        }
        if (item2.PARENT_COL) return // 如果是子列，则不进行追加，因为已经存储在父列中
        arrs.push(item2)
      })
    })

    // 重新遍历列，如果有子列，则进入递归
    var eachArrs = function (obj) {
      layui.each(obj || arrs, function (i, item) {
        if (item.CHILD_COLS) return eachArrs(item.CHILD_COLS)
        callback(i, item)
      })
    }

    eachArrs()
  }

  // 数据渲染
  Class.prototype.renderData = function (res, curr, count, sort) {
    var that = this
    var options = that.config
    var filter = options.elem.attr('lay-filter')
    var data = res[options.response.dataName] || []
    var trs = []
    var trs_fixed = []
    var trs_fixed_r = []

    // 渲染视图
    var render = function () { // 后续性能提升的重点
      if (!sort && that.sortKey) {
        return that.sort(that.sortKey.field, that.sortKey.sort, true)
      }
      layui.each(data, function (i1, item1) {
        var tds = []; var tds_fixed = []; var tds_fixed_r = []
        var numbers = i1 + options.limit * (curr - 1) + 1 // 序号

        if (item1.length === 0) return
        if (!sort) {
          item1[table.config.indexName] = i1
        }

        that.eachCols(function (i3, item3) {
          var field = item3.field || i3; var content = item1[field]
          var cell = that.getColElem(that.layHeader, field)

          if (content === undefined || content === null) content = ''
          if (item3.colspan > 1) return

          // td内容
          var td = ['<td data-field="' + field + '" ' + (function () {
            var attr = []
            if (item3.edit) attr.push('data-edit="' + item3.edit + '"') // 是否允许单元格编辑
            if (item3.align) attr.push('align="' + item3.align + '"') // 对齐方式
            if (item3.templet) attr.push('data-content="' + content + '"') // 自定义模板
            if (item3.toolbar) attr.push('data-off="true"') // 自定义模板
            if (item3.event) attr.push('lay-event="' + item3.event + '"') // 自定义事件
            if (item3.style) attr.push('style="' + item3.style + '"') // 自定义样式
            if (item3.minWidth) attr.push('data-minwidth="' + item3.minWidth + '"') // 单元格最小宽度
            return attr.join(' ')
          }()) + '>',
          '<div class="layui-table-cell laytable-cell-' + (function () { // 返回对应的CSS类标识
            var str = (options.index + '-' + field)
            return item3.type === 'normal' ? str
              : (str + ' laytable-cell-' + item3.type)
          }()) + '">' + (function () {
            var tplData = $.extend(true, {
              LAY_INDEX: numbers
            }, item1)

            // 渲染复选框列视图
            if (item3.type === 'checkbox') {
              return '<input type="checkbox" name="layTableCheckbox" lay-skin="primary" ' + (function () {
                var checkName = table.config.checkName
                // 如果是全选
                if (item3[checkName]) {
                  item1[checkName] = item3[checkName]
                  return item3[checkName] ? 'checked' : ''
                }
                return tplData[checkName] ? 'checked' : ''
              }()) + '>'
            } else if (item3.type === 'numbers') { // 渲染序号
              return numbers
            }

            // 解析工具列模板
            if (item3.toolbar) {
              return laytpl($(item3.toolbar).html() || '').render(tplData)
            }
            return item3.templet ? (function () {
              return typeof item3.templet === 'function'
                ? item3.templet(tplData)
                : laytpl($(item3.templet).html() || String(content)).render(tplData)
            }()) : content
          }()),
          '</div></td>'].join('')

          tds.push(td)
          if (item3.fixed && item3.fixed !== 'right') tds_fixed.push(td)
          if (item3.fixed === 'right') tds_fixed_r.push(td)
        })

        trs.push('<tr data-index="' + i1 + '">' + tds.join('') + '</tr>')
        trs_fixed.push('<tr data-index="' + i1 + '">' + tds_fixed.join('') + '</tr>')
        trs_fixed_r.push('<tr data-index="' + i1 + '">' + tds_fixed_r.join('') + '</tr>')
      })

      // if(data.length === 0) return;

      that.layBody.scrollTop(0)
      that.layMain.find('.' + NONE).remove()
      that.layMain.find('tbody').html(trs.join(''))
      that.layFixLeft.find('tbody').html(trs_fixed.join(''))
      that.layFixRight.find('tbody').html(trs_fixed_r.join(''))

      that.renderForm()
      that.syncCheckAll()
      that.haveInit ? that.scrollPatch() : setTimeout(function () {
        that.scrollPatch()
      }, 50)
      that.haveInit = true
      layer.close(that.tipsIndex)

      try {
    	  $('[title]').tooltip({ container: document.body })
      } catch (e) {}

      layui.event.call(this, MOD_NAME, 'afterRender(' + filter + ')', {
        contaier: that,
        data: data
      })
    }

    that.key = options.id || options.index
    table.cache[that.key] = data // 记录数据

    // 显示隐藏分页栏
    that.layPage[data.length === 0 && curr == 1 ? 'addClass' : 'removeClass'](HIDE)

    // 排序
    if (sort) {
      return render()
    }

    if (data.length === 0) {
      that.renderForm()
      that.layFixed.remove()
      that.layMain.find('tbody').html('')
      that.layMain.find('.' + NONE).remove()
      return that.layMain.append('<div class="' + NONE + '">' + options.text.none + '</div>')
    }

    render()

    // 同步分页状态
    if (options.page) {
      options.page = $.extend({
        elem: 'layui-table-page' + options.index,
        count: count,
        limit: options.limit,
        limits: options.limits || [10, 20, 30, 40, 50, 60, 70, 80, 90],
        groups: 3,
        layout: ['page', 'prev', 'next', 'skip', 'count', 'limit'],
        prev: '<i class="layui-icon">&#xe603;</i>',
        next: '<i class="layui-icon">&#xe602;</i>',
        jump: function (obj, first) {
          if (!first) {
            // 分页本身并非需要做以下更新，下面参数的同步，主要是因为其它处理统一用到了它们
            // 而并非用的是 options.page 中的参数（以确保分页未开启的情况仍能正常使用）
            that.page = obj.curr // 更新页码
            options.limit = obj.limit // 更新每页条数

            that.pullData(obj.curr, that.loading())
          }
        }
      }, options.page)
      options.page.count = count // 更新总条数
      laypage.render(options.page)
    }
  }

  // 找到对应的列元素
  Class.prototype.getColElem = function (parent, field) {
    var that = this
    var options = that.config
    return parent.eq(0).find('.laytable-cell-' + (options.index + '-' + field) + ':eq(0)')
  }

  // 渲染表单
  Class.prototype.renderForm = function (type) {
    form.render(type, 'LAY-table-' + this.index)
  }

  // 数据排序
  Class.prototype.sort = function (th, type, pull, formEvent) {
    var that = this
    var field
    var res = {}
    var options = that.config
    var filter = options.elem.attr('lay-filter')
    var data = table.cache[that.key]; var thisData

    // 字段匹配
    if (typeof th === 'string') {
      that.layHeader.find('th').each(function (i, item) {
        var othis = $(this)
        var _field = othis.data('field')
        if (_field === th) {
          th = othis
          field = _field
          return false
        }
      })
    }

    try {
      var field = field || th.data('field')

      // 如果欲执行的排序已在状态中，则不执行渲染
      if (that.sortKey && !pull) {
        if (field === that.sortKey.field && type === that.sortKey.sort) {
          return
        }
      }

      var elemSort = that.layHeader.find('th .laytable-cell-' + options.index + '-' + field).find(ELEM_SORT)
      that.layHeader.find('th').find(ELEM_SORT).removeAttr('lay-sort') // 清除其它标题排序状态
      elemSort.attr('lay-sort', type || null)
      that.layFixed.find('th')
    } catch (e) {
      return hint.error('Table modules: Did not match to field')
    }

    // 记录排序索引和类型
    that.sortKey = {
      field: field,
      sort: type
    }

    if (type === 'asc') { // 升序
      thisData = layui.sort(data, field)
    } else if (type === 'desc') { // 降序
      thisData = layui.sort(data, field, true)
    } else { // 清除排序
      thisData = layui.sort(data, table.config.indexName)
      delete that.sortKey
    }

    res[options.response.dataName] = thisData
    that.renderData(res, that.page, that.count, true)

    if (formEvent) {
      layui.event.call(th, MOD_NAME, 'sort(' + filter + ')', {
        field: field,
        type: type
      })
    }
  }

  // 请求loading
  Class.prototype.loading = function () {
    var that = this
    var options = that.config
    if (options.loading && options.url) {
      return layer.msg('数据请求中', {
        icon: 16,
        offset: [
          that.elem.offset().top + that.elem.height() / 2 - 35 - _WIN.scrollTop() + 'px',
          that.elem.offset().left + that.elem.width() / 2 - 90 - _WIN.scrollLeft() + 'px'
        ],
        time: -1,
        anim: -1,
        fixed: false
      })
    }
  }

  // 同步选中值状态
  Class.prototype.setCheckData = function (index, checked) {
    var that = this
    var options = that.config
    var thisData = table.cache[that.key]
    if (!thisData[index]) return
    if (thisData[index].constructor === Array) return
    thisData[index][options.checkName] = checked
  }

  // 同步全选按钮状态
  Class.prototype.syncCheckAll = function () {
    var that = this
    var options = that.config
    var checkAllElem = that.layHeader.find('input[name="layTableCheckbox"]')
    var syncColsCheck = function (checked) {
      that.eachCols(function (i, item) {
        if (item.type === 'checkbox') {
          item[options.checkName] = checked
        }
      })
      return checked
    }

    if (!checkAllElem[0]) return

    if (table.checkStatus(that.key).isAll) {
      if (!checkAllElem[0].checked) {
        checkAllElem.prop('checked', true)
        that.renderForm('checkbox')
      }
      syncColsCheck(true)
    } else {
      if (checkAllElem[0].checked) {
        checkAllElem.prop('checked', false)
        that.renderForm('checkbox')
      }
      syncColsCheck(false)
    }
  }

  // 获取cssRule
  Class.prototype.getCssRule = function (field, callback) {
    var that = this
    var style = that.elem.find('style')[0]
    var sheet = style.sheet || style.styleSheet || {}
    var rules = sheet.cssRules || sheet.rules
    layui.each(rules, function (i, item) {
      if (item.selectorText === ('.laytable-cell-' + that.index + '-' + field)) {
        return callback(item), true
      }
    })
  }
  // 铺满表格主体高度
  Class.prototype.fullSize = function () {
    var that = this
    var options = that.config
    var height = options.height; var bodyHeight

    if (that.fullHeightGap) {
      height = _WIN.height() - that.fullHeightGap
      if (height < 135) height = 135
      that.elem.css('height', height)
    }

    // tbody区域高度
    var layHeaderHeight = $(that.layHeader).height()
    if (layHeaderHeight <= 0)layHeaderHeight = options.cols && options.cols.length ? options.cols.length * 38 : 38 // yangzh:对于隐藏tab页里加载table,导致header的高度取不到
    bodyHeight = parseFloat(height) - parseFloat(layHeaderHeight) - 1
    if (options.toolbar) {
      bodyHeight = bodyHeight - that.layTool.outerHeight()
    }
    if (options.page) {
      bodyHeight = bodyHeight - that.layPage.outerHeight() - 1
    }
    that.layMain.css('height', bodyHeight)
  }

  // 获取滚动条宽度
  Class.prototype.getScrollWidth = function (elem) {
    var width = 0
    if (elem) {
      width = elem.offsetWidth - elem.clientWidth
    } else {
      elem = document.createElement('div')
      elem.style.width = '100px'
      elem.style.height = '100px'
      elem.style.overflowY = 'scroll'

      document.body.appendChild(elem)
      width = elem.offsetWidth - elem.clientWidth
      document.body.removeChild(elem)
    }
    return width
  }

  // 滚动条补丁
  Class.prototype.scrollPatch = function (lastDragField) {
    var that = this
    var options = that.config
    var layMainTable = that.layMain.children('table')
    var scollWidth = that.layMain.width() - that.layMain.prop('clientWidth') // 纵向滚动条宽度
    var scollHeight = that.layMain.height() - that.layMain.prop('clientHeight') // 横向滚动条高度
    var getScrollWidth = that.getScrollWidth(that.layMain[0]) // 获取主容器滚动条宽度，如果有的话
    var layMainTableWidth = layMainTable.outerWidth()
    var outWidth = layMainTableWidth - that.layMain.width() // 表格内容器的超出宽度
    if (layMainTableWidth == 0) {
    	return
    }
    var field = ''
    var hasField = false
    if (that.autoColNums) {
      layui.each(options.cols, function (i1, item1) {
	    	layui.each(item1, function (i2, item2) {
	    		 if (item2.autoWidth && !hasField) {
	    			 field = item2.field
	    			 hasField = true
	    		 }
		    })
	    })
    } else {
      layui.each(options.cols, function (i1, item1) {
	    	layui.each(item1, function (i2, item2) {
	    		 if (item2.type == 'normal' && !hasField) {
	    			 field = item2.field
	    			 hasField = true
	    		 }
		    })
	    })
    }

    /* 当列宽小于视窗宽度 */
    if (outWidth < 5) {
    	that.getCssRule(field, function (item) {
	        var width = item.style.width || th.outerWidth()
	        var styleWidth = parseFloat(width) - getScrollWidth - outWidth
	        if (styleWidth < 150) {
	        	styleWidth = 150
	        }
	        item.style.width = styleWidth + 'px'

	        // 二次校验，如果仍然出现横向滚动条
	        if (that.layMain.height() - that.layMain.prop('clientHeight') > 0) {
	          item.style.width = parseFloat(item.style.width) - 1 + 'px'
	        }

	        that.scrollPatchWStatus = true
	    })
    } else if (outWidth > 10) {
    	if (lastDragField != field) {
	    	that.getCssRule(field, function (item) {
		        var width = item.style.width || th.outerWidth()
		        var floatWidth = parseFloat(width)
		        var styleWidth = floatWidth - outWidth
		        if (styleWidth < 150) {
		        	styleWidth = 150
		        }
		        item.style.width = styleWidth + 'px'

	 	        // 二次校验，如果仍然出现横向滚动条
	 	        if (that.layMain.height() - that.layMain.prop('clientHeight') > 0) {
	 	          item.style.width = parseFloat(item.style.width) - 1 + 'px'
	 	        }

	 	        that.scrollPatchWStatus = true
		    })
    	}
    }

    // 如果存在自动列宽，则要保证绝对填充满，并且不能出现横向滚动条
    //    if(that.autoColNums && outWidth < 5 && !that.scrollPatchWStatus){
    //      var th = that.layHeader.eq(0).find('thead th:last-child')
    //      ,field = th.data('field');
    //      that.getCssRule(field, function(item){
    //        var width = item.style.width || th.outerWidth();
    //        item.style.width = (parseFloat(width) - getScrollWidth - outWidth) + 'px';
    //
    //        //二次校验，如果仍然出现横向滚动条
    //        if(that.layMain.height() - that.layMain.prop('clientHeight') > 0){
    //          item.style.width = parseFloat(item.style.width) - 1 + 'px';
    //        }
    //
    //        that.scrollPatchWStatus = true;
    //      });
    //    }

    if (scollWidth && scollHeight) {
      if (!that.elem.find('.layui-table-patch')[0]) {
        var patchElem = $('<th class="layui-table-patch"><div class="layui-table-cell"></div></th>') // 补丁元素
        patchElem.find('div').css({
          width: scollWidth
        })
        that.layHeader.eq(0).find('thead tr').append(patchElem)
      }
    } else {
      that.layHeader.eq(0).find('.layui-table-patch').remove()
    }

    // 固定列区域高度
    var mainHeight = that.layMain.height()
    var fixHeight = mainHeight - scollHeight
    that.layFixed.find(ELEM_BODY).css('height', layMainTable.height() > fixHeight ? fixHeight : 'auto')

    // 表格宽度小于容器宽度时，隐藏固定列
    that.layFixRight[outWidth > 0 ? 'removeClass' : 'addClass'](HIDE)

    // 操作栏
    that.layFixRight.css('right', scollWidth - 1)
  }

  // 事件处理
  Class.prototype.events = function () {
    var that = this
    var options = that.config
    var _BODY = $('body')
    var dict = {}
    var th = that.layHeader.find('th')
    var resizing
    var ELEM_CELL = '.layui-table-cell'
    var filter = options.elem.attr('lay-filter')
    var field = null
    // 拖拽调整宽度
    th.on('mousemove', function (e) {
      var othis = $(this)
      var oLeft = othis.offset().left
      var pLeft = e.clientX - oLeft
      if (othis.attr('colspan') > 1 || othis.data('unresize') || dict.resizeStart) {
        return
      }
      dict.allowResize = othis.width() - pLeft <= 10 // 是否处于拖拽允许区域
      _BODY.css('cursor', (dict.allowResize ? 'col-resize' : ''))
    }).on('mouseleave', function () {
      var othis = $(this)
      if (dict.resizeStart) return
      _BODY.css('cursor', '')
    }).on('mousedown', function (e) {
      var othis = $(this)
      if (dict.allowResize) {
        field = othis.data('field')
        e.preventDefault()
        dict.resizeStart = true // 开始拖拽
        dict.offset = [e.clientX, e.clientY] // 记录初始坐标

        that.getCssRule(field, function (item) {
          var width = item.style.width || othis.outerWidth()
          dict.rule = item
          dict.ruleWidth = parseFloat(width)
          dict.minWidth = othis.data('minwidth') || options.cellMinWidth
        })
      }
    })
    // 拖拽中
    _DOC.on('mousemove', function (e) {
      if (dict.resizeStart) {
        e.preventDefault()
        if (dict.rule) {
          var setWidth = dict.ruleWidth + e.clientX - dict.offset[0]
          if (setWidth < dict.minWidth) setWidth = dict.minWidth
          dict.rule.style.width = setWidth + 'px'
          layer.close(that.tipsIndex)
        }
        resizing = 1
      }
    }).on('mouseup', function (e) {
      if (dict.resizeStart) {
        dict = {}
        _BODY.css('cursor', '')
        that.scrollPatch(field)
      }
      if (resizing === 2) {
        resizing = null
      }
    })

    // 排序
    th.on('click', function () {
      var othis = $(this)
      var elemSort = othis.find(ELEM_SORT)
      var nowType = elemSort.attr('lay-sort')
      var type

      if (!elemSort[0] || resizing === 1) return resizing = 2

      if (nowType === 'asc') {
        type = 'desc'
      } else if (nowType === 'desc') {
        type = null
      } else {
        type = 'asc'
      }
      that.sort(othis, type, null, true)
    }).find(ELEM_SORT + ' .layui-edge ').on('click', function (e) {
      var othis = $(this)
      var index = othis.index()
      var field = othis.parents('th').eq(0).data('field')
      layui.stope(e)
      if (index === 0) {
        that.sort(field, 'asc', null, true)
      } else {
        that.sort(field, 'desc', null, true)
      }
    })

    // 复选框选择
    that.elem.on('click', 'input[name="layTableCheckbox"]+', function () {
      var checkbox = $(this).prev()
      var childs = that.layBody.find('input[name="layTableCheckbox"]')
      var index = checkbox.parents('tr').eq(0).data('index')
      var checked = checkbox[0].checked
      var isAll = checkbox.attr('lay-filter') === 'layTableAllChoose'

      // 全选
      if (isAll) {
        childs.each(function (i, item) {
          item.checked = checked
          that.setCheckData(i, checked)
        })
        that.syncCheckAll()
        that.renderForm('checkbox')
      } else {
        that.setCheckData(index, checked)
        that.syncCheckAll()
      }
      layui.event.call(this, MOD_NAME, 'checkbox(' + filter + ')', {
        checked: checked,
        data: table.cache[that.key] ? (table.cache[that.key][index] || {}) : {},
        type: isAll ? 'all' : 'one'
      })
    })

    // 行事件
    that.layBody.on('mouseenter', 'tr', function () {
      var othis = $(this)
      var index = othis.index()
      that.layBody.find('tr:eq(' + index + ')').addClass(ELEM_HOVER)
    }).on('mouseleave', 'tr', function () {
      var othis = $(this)
      var index = othis.index()
      that.layBody.find('tr:eq(' + index + ')').removeClass(ELEM_HOVER)
    })

    // 单元格编辑
    that.layBody.on('change', '.' + ELEM_EDIT, function () {
      var othis = $(this)
      var value = this.value
      var field = othis.parent().data('field')
      var index = othis.parents('tr').eq(0).data('index')
      var data = table.cache[that.key][index]

      data[field] = value // 更新缓存中的值

      layui.event.call(this, MOD_NAME, 'edit(' + filter + ')', {
        value: value,
        data: data,
        field: field
      })
    }).on('blur', '.' + ELEM_EDIT, function () {
      var templet
      var othis = $(this)
      var field = othis.parent().data('field')
      var index = othis.parents('tr').eq(0).data('index')
      var data = table.cache[that.key][index]
      that.eachCols(function (i, item) {
        if (item.field == field && item.templet) {
          templet = item.templet
        }
      })
      othis.siblings(ELEM_CELL).html(
        templet ? laytpl($(templet).html() || this.value).render(data) : this.value
      )
      othis.parent().data('content', this.value)
      othis.remove()
    })

    // 单元格事件
    that.layBody.on('click', 'td', function () {
      var othis = $(this)
      var field = othis.data('field')
      var editType = othis.data('edit')
      var elemCell = othis.children(ELEM_CELL)

      layer.close(that.tipsIndex)
      if (othis.data('off')) return

      // 显示编辑表单
      if (editType) {
        if (editType === 'select') { // 选择框
          // var select = $('<select class="'+ ELEM_EDIT +'" lay-ignore><option></option></select>');
          // othis.find('.'+ELEM_EDIT)[0] || othis.append(select);
        } else { // 输入框
          var input = $('<input class="layui-input ' + ELEM_EDIT + '">')
          input[0].value = othis.data('content') || elemCell.text()
          othis.find('.' + ELEM_EDIT)[0] || othis.append(input)
          input.focus()
        }
        return
      }

      // 如果出现省略，则可查看更多
      if (elemCell.find('.layui-form-switch,.layui-form-checkbox')[0]) return // 限制不出现更多（暂时）

      if (Math.round(elemCell.prop('scrollWidth')) > Math.round(elemCell.outerWidth())) {
        that.tipsIndex = layer.tips([
          '<div class="layui-table-tips-main" style="margin-top: -' + (elemCell.height() + 16) + 'px;' + (function () {
            if (options.size === 'sm') {
              return 'padding: 4px 15px; font-size: 12px;'
            }
            if (options.size === 'lg') {
              return 'padding: 14px 15px;'
            }
            return ''
          }()) + '">',
          elemCell.html(),
          '</div>',
          '<i class="layui-icon layui-table-tips-c">&#x1006;</i>'
        ].join(''), elemCell[0], {
          tips: [3, ''],
          time: -1,
          anim: -1,
          maxWidth: (device.ios || device.android) ? 300 : 600,
          isOutAnim: false,
          skin: 'layui-table-tips',
          success: function (layero, index) {
            layero.find('.layui-table-tips-c').on('click', function () {
              layer.close(index)
            })
          }
        })
      }
      if (typeof that.notBind === 'undefined') {
	      $('body').bind('mousedown', function (event) {
	    	  if (that.tipsIndex != null) {
  				  if (!(event.target.className === 'layui-table-tips-main')) {
  						layer.close(that.tipsIndex)
  						that.tipsIndex = null
  				  }
  			   }
	  	  })
	      that.notBind = true
      }
    })

    // 工具条操作事件
    that.layBody.on('click', '*[lay-event]', function () {
      var othis = $(this)
      var index = othis.parents('tr').eq(0).data('index')
      var tr = that.layBody.find('tr[data-index="' + index + '"]')
      var ELEM_CLICK = 'layui-table-click'
      var data = table.cache[that.key][index]

      layui.event.call(this, MOD_NAME, 'tool(' + filter + ')', {
        data: table.clearCacheKey(data),
        event: othis.attr('lay-event'),
        tr: tr,
        del: function () {
          table.cache[that.key][index] = []
          tr.remove()
          that.scrollPatch()
        },
        update: function (fields) {
          fields = fields || {}
          layui.each(fields, function (key, value) {
            if (key in data) {
              var templet; var td = tr.children('td[data-field="' + key + '"]')
              data[key] = value
              that.eachCols(function (i, item2) {
                if (item2.field == key && item2.templet) {
                  templet = item2.templet
                }
              })
              td.children(ELEM_CELL).html(
                templet ? laytpl($(templet).html() || value).render(data) : value
              )
              td.data('content', value)
            }
          })
        }
      })
      tr.addClass(ELEM_CLICK).siblings('tr').removeClass(ELEM_CLICK)
    })

    // 同步滚动条
    that.layMain.on('scroll', function () {
      var othis = $(this)
      var scrollLeft = othis.scrollLeft()
      var scrollTop = othis.scrollTop()

      that.layHeader.scrollLeft(scrollLeft)
      that.layFixed.find(ELEM_BODY).scrollTop(scrollTop)

      layer.close(that.tipsIndex)
    })

    _WIN.on('resize', function () { // 自适应
      that.fullSize()
      that.scrollPatch()
    })
  }

  // 初始化
  table.init = function (filter, settings) {
    settings = settings || {}
    var that = this
    var elemTable = filter ? $('table[lay-filter="' + filter + '"]') : $(ELEM + '[lay-data]')
    var errorTips = 'Table element property lay-data configuration item has a syntax error: '

    // 遍历数据表格
    elemTable.each(function () {
      var othis = $(this); var tableData = othis.attr('lay-data')

      try {
        tableData = new Function('return ' + tableData)()
      } catch (e) {
        hint.error(errorTips + tableData)
      }
      /** yangzh:当列表创建过了,且div还没有被销毁，则不再创建table */
      if (filter == undefined) { /** 只有当filter为空时阻止重复创建 */
	      if (tableData.id != undefined && thisTable.config[tableData.id] != undefined) {
	    	  var renderClass = tableClassCache[tableData.id]
	    	  if (renderClass != null) {
	    		  var index = renderClass.index
	    		  var ele = $('#LAY-table-' + index)
	    		  if (ele.length > 0) {
	    			  return
	    		  }
	    	  }
	      }
      }

      var cols = []; var options = $.extend({
        elem: this,
        cols: [],
        data: [],
        skin: othis.attr('lay-skin'), // 风格
        size: othis.attr('lay-size'), // 尺寸
        even: typeof othis.attr('lay-even') === 'string' // 偶数行背景
      }, table.config, settings, tableData)

      filter && othis.hide()

      // 获取表头数据
      othis.find('thead>tr').each(function (i) {
        options.cols[i] = []
        $(this).children().each(function (ii) {
          var th = $(this); var itemData = th.attr('lay-data')

          try {
            itemData = new Function('return ' + itemData)()
          } catch (e) {
            return hint.error(errorTips + itemData)
          }

          var row = $.extend({
            title: th.text(),
            colspan: th.attr('colspan') || 0, // 列单元格
            rowspan: th.attr('rowspan') || 0 // 行单元格
          }, itemData)

          if (row.colspan < 2) cols.push(row)
          options.cols[i].push(row)
        })
      })

      // 获取表体数据
      othis.find('tbody>tr').each(function (i1) {
        var tr = $(this); var row = {}
        // 如果定义了字段名
        tr.children('td').each(function (i2, item2) {
          var td = $(this)
          var field = td.data('field')
          if (field) {
            return row[field] = td.html()
          }
        })
        // 如果未定义字段名
        layui.each(cols, function (i3, item3) {
          var td = tr.children('td').eq(i3)
          row[item3.field] = td.html()
        })
        options.data[i1] = row
      })
      table.render(options)
    })

    return that
  }

  // 表格选中状态
  table.checkStatus = function (id) {
    var nums = 0
    var invalidNum = 0
    var arr = []
    var data = table.cache[id] || []
    // 计算全选个数
    layui.each(data, function (i, item) {
      if (item.constructor === Array) {
        invalidNum++ // 无效数据，或已删除的
        return
      }
      if (item[table.config.checkName]) {
        nums++
        arr.push(table.clearCacheKey(item))
      }
    })
    return {
      data: arr, // 选中的数据
      isAll: data.length ? (nums === (data.length - invalidNum)) : false // 是否全选
    }
  }

  // 表格重载
  thisTable.config = {}
  table.reload = function (id, options) {
    var config = thisTable.config[id]
    if (options.staticWhere != undefined) {
    	config.staticWhere = options.staticWhere
    }
    options = options || {}
    config.where = config.staticWhere || {}
    if (!config) return hint.error('The ID option was not found in the table instance')
    if (options.data && options.data.constructor === Array) delete config.data
    return table.render($.extend(true, {}, config, options))
  }

  // 核心入口
  table.render = function (options) {
	  var id = ''
	  if (options.id) {
		  id = options.id
	  } else if (options.elem) {
		  if (typeof options.elem === 'string') {
			  id = options.elem.replace('#', '').replace('.', '')
		  } else {
			  id = $(options.elem).attr('id')
		  }
	  }
	  var inst = new Class(options)
	  if (tableClassCache[id] != undefined) {
		  inst.autoColNums = tableClassCache[id].autoColNums
	  } else {
		  tableClassCache[id] = inst
	  }
	  return thisTable.call(inst)
  }

  // 清除临时Key
  table.clearCacheKey = function (data) {
    data = $.extend({}, data)
    delete data[table.config.checkName]
    delete data[table.config.indexName]
    return data
  }

  // 自动完成渲染
  table.init()
  exports(MOD_NAME, table)
})
